Open trench with drainage and utility piping run along a roadway
Home / Drainage
05 / Drainage

ADU Site Work, Frost Walls and Septic

Excavation, shallow frost-wall foundations and septic for accessory dwelling units across southern Maine.

The Work

Site Work for Accessory Dwelling Units

Placeholder, awaiting client notes

Site Work for Accessory Dwelling Units

  • Shallow frost-wall foundations, roughly 4 ft, and minimal fill around
  • Pairing an ADU with a new septic system, cross-linking to the septic page
  • ADU rules vary by town. Phrase generally. Maine requires at least ONE ADU per lot under 30-A 4364-B, NOT two
  • Scope note: excavation, frost walls and septic only. This client does not build the unit
Poured concrete foundation walls on a graded Boynton Brook site
Get Started

Planning an ADU?

Call for a free estimate. We'll look at the job and give you a straight number.

Call (207) 251-7979Request a Free Quote

Fully Insured  /  Free Estimates  /  Saco ME

Call NowGet a Quote